utf-8-with-signature (was: find-file-literally-at-point)

[Juri Linkov]

>> I recently found myself in need of such a function (I was going through
>> a bunch of files to strip out their UTF-8 BOMs, if you're curious),
>
> Oh, I see.  That's what I regularly had to do on files produced
> by Windows editors :)  Some time ago Emacs used to display BOMs,
> so it was easy to see and delete BOMs, but now doesn't anymore,
> since now the default coding system of files with the BOM is
> `utf-8-with-signature'.  Forcing it to use `utf-8' with e.g.
> `C-x RET c utf-8 RET C-x C-f' is a way to display BOMs
> in an UTF-8 file.

BTW, after removing `("\\`\xEF\xBB\xBF" . utf-8-with-signature)'
from `auto-coding-regexp-alist' BOMs will be always displayed
without the need to visit files literally.

-- 
Juri Linkov
http://www.jurta.org/emacs/